Home / 307,407.49-458,055.27-273,869.84

Finding the Fourth Proportional to 307,407.49, 458,055.27 and 273,869.84

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Solution

The fourth proportional to 307,407.49, 458,055.27 and 273,869.84 is: 408,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,407.49 : 458,055.27 = 273,869.84 : x
  2. Step 2: Convert to fraction form
    307,407.49/458,055.27 = 273,869.84/x
  3. Step 3: Cross multiply
    307,407.49x = 458,055.27 × 273,869.84
  4. Step 4: Simplify right side
    307,407.49x = 125,447,524,651.20
  5. Step 5: Solve for x
    x = 125,447,524,651.20/307,407.49
  6. Step 6: Final answer
    x = 408,082.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.